Skip to main content
. 2020 Apr 29;12:115. doi: 10.3389/fnagi.2020.00115

Table 1.

Baseline demographics characteristics of participants included in the study.

Trial data (N = 108) Our sample (N = 79) Test statistics
Age in years# 73 (7) 72 (8) U = 3,955.5, p = 0.40
Educational level in years# 15 (6) 15 (6) U = 3,972.5, p = 0.42
Treatment Group (Intervention/Control) 55/53 39/40 χ2 = 0.04, p = 0.83
Female 57 (52.8%) 45 (57.0%) χ2 = 0.32, p = 0.57
Current Smoker 4 (3.7%) 3 (3.8%) χ2 = 0.001, p = 0.97
ApolipoproteinE ε4 carrier 29 (26.9%) 21 (26.6%) χ2 = 0.002, p = 0.97
Mild Cognitively Impaired (Amnestic/Non-Amnestic) 31 (24/7) 20 (13/7) χ2 = 0.95, p = 0.82
Cognitively Normal/Subjective memory complaints 15/62 14/45 χ2 = 0.63, p = 0.73
Amyloid Positive 23 (24.47%) 15 (20.8%) χ2 = 0.31, p = 0.58
Alzheimer’s Disease Assessment Scale-Cognitive Subscale (ADAS Cog 11)# 7 (4) 6 (4) U = 3,949.5, p = 0.38
Mini-Mental State Examination (0–30) # 29 (2) 29 (1) U = 4,216.5, p = 0.89
Geriatric Depression Scale Score (>3) # 7 5 U = 4,220.0, p = 0.90
Body Mass Index (kg/m2) # 26.6 (4.8) 26.5 (4.9) U = 4,215.0, p = 0.89
Total Cholesterol (mmol/l)* 5.2 (1.1) 5.2 (1.0) t = 0.074; df = 170.4; p = 0.94
Fasting Glucose (mmol/l) # 5.1 (0.8) 5.1 (0.8) U = 4,131.5; p = 0.99
Systolic Blood Pressure (mm Hg)* 126.3 (15.7) 125.8 (16.0) t = −0.187; df = 165.54; p = 0.85
Diastolic Blood Pressure (mm Hg)* 72.1 (8.5) 71.8 (9.1) t = −0.263; df = 161.98; p = 0.79
Brain-derived neurotrophic factor (BDNF, ng/ml)# 331.1 (477.1) 356.2 (524.4) U = 3,969.5; p = 0.75
6-min walk test (m)* 492.6 (92.6) 499.3 (85.6) t = 0.527; df = 1,74.93; p = 0.60
Timed up and go test (s)# 6.2 (2.3) 6.3 (2.3) U = 4,259.0; p = 0.99
Sit-to-stand Time (s)# 10.7 (3.4) 10.8 (3.6) U = 4,243.0; p = 0.95
Grip strength dominant hand (kg)* 32.3 (9.2) 31.8 (8.7) t = −0.383; df = 172.60; p = 0.70
Grip strength Non-dominant hand (kg)* 30.1 (9.0) 29.3 (8.9) t = −0.565; df = 168.87; p = 0.57

#Reported as Median (Interquartile Range). *Reported as Mean (Standard Deviation). Reported as number of participants (Percentage) or number of participants.